I have been using Right-Click -> Order -> "Column Name" to order small molecule samples by specific variables within Skyline. The only options that seem to work are "Document" and "Acquired Time". I have previously been able to order by custom definitions that I made in "Document Settings" -> "Annotations" but they do not seem to work anymore ie when I select the custom options they do not affect the sample ordering. This seems to persist across different .sky files and I have tried starting from the beginning with brand new analysis files with no avail. I recently updated to Skyline v. 19.1.0.193 (with Windows Pro 64-Bit) from the previous version, could this have something to do with it? I'm not sure what I'm doing incorrectly.

Thanks for any help,

Peter